Home / 71,090.35-98,102-38,823.90

Finding the Fourth Proportional to 71,090.35, 98,102 and 38,823.90

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Solution

The fourth proportional to 71,090.35, 98,102 and 38,823.90 is: 53,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090.35 : 98,102 = 38,823.90 : x
  2. Step 2: Convert to fraction form
    71,090.35/98,102 = 38,823.90/x
  3. Step 3: Cross multiply
    71,090.35x = 98,102 × 38,823.90
  4. Step 4: Simplify right side
    71,090.35x = 3,808,702,237.80
  5. Step 5: Solve for x
    x = 3,808,702,237.80/71,090.35
  6. Step 6: Final answer
    x = 53,575.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.